[ 1760.925031] br0: port 1(dummy0) entered blocking state
[ 1760.925077] br0: port 1(dummy0) entered disabled state
[ 1760.925113] dummy0: entered allmulticast mode
[ 1760.925160] dummy0: entered promiscuous mode
[ 1760.927964] br0: port 1(dummy0) entered blocking state
[ 1760.928027] br0: port 1(dummy0) entered forwarding state
[ 1761.105588] dummy0: left allmulticast mode
[ 1761.105616] dummy0: left promiscuous mode
[ 1761.105644] br0: port 1(dummy0) entered disabled state